Seaworthy export package :
Moisture-proof paper (170G / M2)
Plastic film (170G / M2)
External galvanized sheet metal (0.5MM),
Corner side steel plate (1.0MM)
Core : carton drum or steel drum which 3mm thickness
Billing weight : Net weight
Package weight not take as Billing weight
High Quality leavel 23mm-1500mm width Hot rolled substrate use for Ventilating Duct HAVC